61820-2RSR-YFAGBall

Name: FAG 61820-2RSR-Y Ball Bearing
Brand: FAG
SKU: 61820-2RSR-Y

61820-2RSR-Y is a FAG ball bearing, bore 100 mm, O.D. 125 mm, width 13 mm, dynamic rating 21.3 kN. Dimensions, drawing, interchanges and price.

Sealed both sides

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Bore d100mm

Outside dia. D125mm

Width B13mm

Dynamic Cr21.3kN

Static C0r22.1kN

Limiting speed2,470rpm

Weight0.31kg

Cr / C0r0.96

Mean dia. dm112.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 268

61820-2RSR-Y FAG Ball bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

Symbol	Dimension	mm	inch
d	Bore diameter	100	3.937
D	Outside diameter	125	4.9213
B	Inner-ring / bearing width	13	0.5118
r	Chamfer (min)	1	0.0394

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)	100
Outside dia. D (mm)	125
Width B (mm)	13
Inner-ring OD d1 (mm)	108.2
Seal outside dia. D2 (mm)	119.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	4788
Basic static load rating Cor (lbs)	4968
Basic dynamic load rating Cr (N)	21300
Basic static load rating C0r (N)	22100
Fatigue limit load Cur (N)	1210
Factor f0	16
Limiting speed nG (rpm)	2,470

Weight

Weight (kg)	0.31

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1
Shaft shoulder da (mm)	104.6
Housing shoulder Da (mm)	120.4
Housing fillet ra max (mm)	1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 800 rpm
4	5,325	64	1,333
6	3,550	216	4,500
8	2,662	512	10,667
10	2,130	1,000	20,833
15	1,420	3,375	70,312

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 21,300 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	FAG
Source catalogue	FAG / Schaeffler Rolling Bearings HR 1
Catalogue page	p.268 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6820	NSK	Ball	100	125	13	4,400 lbs	0.299

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61820-2RZ-Y	FAG	Ball	100	125	13	21.3 kN	0.31
61820-2Z-Y	FAG	Ball	100	125	13	20 kN	0.31
61820-Y	FAG	Ball	100	125	13	21.3 kN	0.31

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61820-2RZ-Y	FAG	Ball	100	125	13	21.3 kN	0.31
61820-2Z-Y	FAG	Ball	100	125	13	20 kN	0.31
61820-Y	FAG	Ball	100	125	13	21.3 kN	0.31

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1220-K-M-C3	FAG	Ball	100	180	34	70 kN	3.94
1220-M	FAG	Ball	100	180	34	70 kN	3.99
1320-K-M-C3	FAG	Ball	100	215	47	145 kN	8.95
1320-M	FAG	Ball	100	215	47	145 kN	9.06
16020	FAG	Ball	100	150	16	46.5 kN	0.945
2220-K-M-C3	FAG	Ball	100	180	46	98 kN	5.1
2220-M	FAG	Ball	100	180	46	98 kN	5.21
2320-K-M-C3	FAG	Ball	100	215	73	196 kN	12.7

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